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See detailJ wie Joker
Heimböckel, Dieter UL

Article for general public (2012)

Detailed reference viewed: 26 (0 UL)
See detailJ'accuse, oder die Wahrheit über den Sprachenunterricht in Luxemburg
Weber, Jean-Jacques UL; Horner, Kristine

in Praxis des Neusprachlichen Unterrichts (2002), 49

Detailed reference viewed: 30 (3 UL)
See detailJacky Antoine: une âme de pédagogue
Goedert, Maly UL; Weber, Jean-Marie UL

in Transfert (2008)

Detailed reference viewed: 113 (0 UL)
See detailJacobian varieties of genus 3 and the inverse Galois problem
Arias De Reyna Dominguez, Sara UL

Presentation (2015, September 11)

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q. This question is encompassed in the general problem ... [more ▼]

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q. This question is encompassed in the general problem of understanding the structure of the absolute Galois group G_Q of the rational numbers. A deep fact in arithmetic geometry is that one can attach compatible systems of Galois representations of GQ to certain arithmetic-geometric objects, (e.g. abelian varieties). These representations can be used to realise classical linear groups as Galois groups over Q. In this talk we will discuss the case of Galois representations attached to Jacobian varieties of genus n curves. For n = 3, we provide an explicit construction of curves C defined over Q such that the action of G_Q on the group of l-torsion points of the Jacobian of C provides a Galois realisation of GSp(6, l) for a prefixed prime l. This construction is a joint work with Cécile Armana, Valentijn Karemaker, Marusia Rebolledo, Lara Thomas and Núria Vila, and was initiated as a working group in the Conference Women in Numbers Europe (CIRM, 2013). [less ▲]

Detailed reference viewed: 18 (0 UL)
See detailJacobian varieties of genus 3 and the inverse Galois problem
Arias De Reyna Dominguez, Sara UL

Presentation (2015, October 28)

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q$. This question is encompassed in the general problem ... [more ▼]

The inverse Galois problem, first addressed by D. Hilbert in 1892, asks which finite groups occur as the Galois group of a finite Galois extension K/Q$. This question is encompassed in the general problem of understanding the structure of the absolute Galois group G_Q of the rational numbers. A deep fact in arithmetic geometry is that one can attach compatible systems of Galois representations of G_Q to certain arithmetic-geometric objects, (e.g. abelian varieties). These representations can be used to realise classical linear groups as Galois groups over Q. In this talk we will discuss the case of Galois representations attached to Jacobian varieties of genus n curves. For n=3, we provide an explicit construction of curves C defined over Q such that the action of G_Q on the group of l-torsion points of the Jacobian of C provides a Galois realisation of GSp(6, l) for a prefixed prime l. This construction is a joint work with Cécile Armana, Valentijn Karemaker, Marusia Rebolledo, Lara Thomas and Núria Vila, and was initiated as a working group in the Conference Women in Numbers Europe (CIRM, 2013). [less ▲]

Detailed reference viewed: 13 (0 UL)
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See detailJacobians of genus 2 curves with a rational point of order 11
Leprévost, Franck UL; Bernard, Nicolas UL; Pohst, Michael

in Experimental Mathematics (2009), 18(1), 65-70

On the one hand, it is well-known that Jacobians of (hyper)elliptic curves defined over $\Q$ having a rational point of order $l$ can be used in many applications, for instance in the construction of ... [more ▼]

On the one hand, it is well-known that Jacobians of (hyper)elliptic curves defined over $\Q$ having a rational point of order $l$ can be used in many applications, for instance in the construction of class groups of quadratic fields with a non-trivial $l$-rank. On the other hand, it is also well-known that $11$ is the least prime number which is not the order of a rational point of an elliptic curve defined over $\Q$. It is therefore interesting to look for curves of higher genus, whose Jacobians have a rational point of order $11$. This problem has already been addressed, and Flynn found such a family $\Fl_t$ of genus $2$ curves. Now, it turns out, that the Jacobian $J_0(23)$ of the modular genus $2$ curve $X_0(23)$ has the required property, but does not belong to $\Fl_t$. The study of $X_0(23)$ leads to a method to partially solving the considered problem. Our approach allows us to recover $X_0(23)$, and to construct another $18$ distinct explicit curves of genus $2$ defined over $\Q$ and whose Jacobians have a rational point of order $11$. Of these $19$ curves, $10$ do not have any rational Weierstrass point, and $9$ have a rational Weierstrass point. None of these curves are $\Qb$-isomorphic to each other, nor $\Qb$-isomorphic to an element of Flynn's family $\Fl_t$. Finally, the Jacobians of these new curves are absolutely simple. [less ▲]

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See detailJacobiennes de certaines courbes de genre 2 : torsion et simplicité
Leprévost, Franck UL

in Journal de Théorie des Nombres de Bordeaux (1995), 7

Detailed reference viewed: 19 (1 UL)
See detailJacques Derrida et l’esthétique
Roelens, Nathalie UL

Book published by L'Harmattan (2000)

Detailed reference viewed: 52 (1 UL)
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See detailJacques Derrida's religion with/out religion and the im/possibility of religious education
Miedema, S.; Biesta, Gert UL

in Litchfield, R.G. (Ed.) Leading with hope.The Vocation of the Religious Educator. 2002 Proceedings of the Association of Professors and Researchers in Religious Education. (2002)

Detailed reference viewed: 7 (0 UL)
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See detailJacques Derrida’s religion with/out religion and the im/possibility of religious education.
Miedema, S.; Biesta, Gert UL

in Religious Education (2004), 99(1), 23-37

Detailed reference viewed: 9 (0 UL)
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See detailJacques Derrida’s religion with/out religion and the im/possibility of religious education.
Miedema, S; Biesta, Gert UL

in Murphy, M (Ed.) Social theory and educational research (2013)

Detailed reference viewed: 15 (1 UL)
See detailJacques Derrida. Deconstruction = Justice
Biesta, Gert UL

in Peters, M.; Olssen, M.; Lankshear, C. (Eds.) Futures of critical theory: Dreams of difference (2003)

Detailed reference viewed: 21 (0 UL)
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See detailJacques Fontanille, Soma et Séma, 2004
Tore, Gian Maria UL

in RSSI : Recherches Sémiotiques = RSSI: Semiotic Inquiry (2004), 24(1-3), 299-317

Detailed reference viewed: 12 (1 UL)
See detailJacques Rancière: Education, truth, emancipation
Bingham, C.; Biesta, Gert UL

Book published by Continuum (2010)

Detailed reference viewed: 23 (0 UL)
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See detailJahn-Teller, Polarity, and Insulator-to-Metal Transition in BiMnO3 at High Pressure
Guennou, Mael; Bouvier, Pierre; Toulemonde, Pierre et al

in Physical Review Letters (2014), 112

The interaction of coexisting structural instabilities in multiferroic materials gives rise to intriguing coupling phenomena and extraordinarily rich phase diagrams, both in bulk materials and strained ... [more ▼]

The interaction of coexisting structural instabilities in multiferroic materials gives rise to intriguing coupling phenomena and extraordinarily rich phase diagrams, both in bulk materials and strained thin films. Here we investigate the multiferroic BiMnO3 with its peculiar 6s2 electrons and four interacting mechanisms: electric polarity, octahedra tilts, magnetism, and cooperative Jahn-Teller distortion. We have probed structural transitions under high pressure by synchrotron x-ray diffraction and Raman spectroscopy up to 60 GPa. We show that BiMnO3 displays under pressure a rich sequence of five phases with a great variety of structures and properties, including a metallic phase above 53 GPa and, between 37 and 53 GPa, a strongly elongated monoclinic phase that allows ferroelectricity, which contradicts the traditional expectation that ferroelectricity vanishes under pressure. Between 7 and 37 GPa, the Pnma structure remains remarkably stable but shows a reduction of the Jahn-Teller distortion in a way that differs from the behavior observed in the archetypal orthorhombic Jahn-Teller distorted perovskite LaMnO3. [less ▲]

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See detailJahrestagung des Sozialwissenschftlichen Ausschusses
Neugebauer, Tibor UL

Presentation (2015)

Detailed reference viewed: 7 (0 UL)
See detailJahrmärkte in Europa im 14.-16. Jahrhundert. Regionale Untersuchungen und der Versuch einer Typologie
Pauly, Michel UL

in Irsigler, Franz; Pauly, Michel (Eds.) Messen, Jahrmärkte und Stadtentwicklung in Europa (2007)

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See detailJAIL: a structure-based interface library for macromolecules.
Gunther, Stefan; von Eichborn, Joachim; May, Patrick UL et al

in Nucleic Acids Research (2009), 37(Database issue), 338-41

The increasing number of solved macromolecules provides a solid number of 3D interfaces, if all types of molecular contacts are being considered. JAIL annotates three different kinds of macromolecular ... [more ▼]

The increasing number of solved macromolecules provides a solid number of 3D interfaces, if all types of molecular contacts are being considered. JAIL annotates three different kinds of macromolecular interfaces, those between interacting protein domains, interfaces of different protein chains and interfaces between proteins and nucleic acids. This results in a total number of about 184,000 database entries. All the interfaces can easily be identified by a detailed search form or by a hierarchical tree that describes the protein domain architectures classified by the SCOP database. Visual inspection of the interfaces is possible via an interactive protein viewer. Furthermore, large scale analyses are supported by an implemented sequential and by a structural clustering. Similar interfaces as well as non-redundant interfaces can be easily picked out. Additionally, the sequential conservation of binding sites was also included in the database and is retrievable via Jmol. A comprehensive download section allows the composition of representative data sets with user defined parameters. The huge data set in combination with various search options allow a comprehensive view on all interfaces between macromolecules included in the Protein Data Bank (PDB). The download of the data sets supports numerous further investigations in macromolecular recognition. JAIL is publicly available at http://bioinformatics.charite.de/jail. [less ▲]

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See detailJak1 has a dominant role over Jak3 in signal transduction through γc-containing cytokine receptors
Haan, Claude UL; Rolvering, Catherine UL; Raulf, F. et al

in Chemistry & Biology (2011), 18(3), 314-323

Genetic deficiency of Jak3 leads to abrogation of signal transduction through the common gamma chain (γc) and thus to immunodeficiency suggesting that specific inhibition of Jak3 kinase may result in ... [more ▼]

Genetic deficiency of Jak3 leads to abrogation of signal transduction through the common gamma chain (γc) and thus to immunodeficiency suggesting that specific inhibition of Jak3 kinase may result in immunosuppression. Jak1 cooperates with Jak3 in signaling through γc-containing receptors. Unexpectedly, a Jak3-selective inhibitor was less efficient in abolishing STAT5 phosphorylation than pan-Jak inhibitors. We therefore explored the roles of Jak1 and Jak3 kinase functionality in signaling using a reconstituted system. The presence of kinase-inactive Jak1 but not kinase-inactive Jak3 resulted in complete abolishment of STAT5 phosphorylation. Specific inhibition of the "analog-sensitive" mutant AS-Jak1 but not AS-Jak3 by the ATP-competitive analog 1NM-PP1 abrogated IL-2 signaling, corroborating the data with the selective Jak3 inhibitor. Jak1 thus plays a dominant role over Jak3 and these data challenge the notion that selective ATP-competitive Jak3 kinase inhibitors will be effective. © 2011 Elsevier Ltd. [less ▲]

Detailed reference viewed: 10 (1 UL)